class Pages{
????var $cn;????????//連接數(shù)據(jù)庫游標
????var $d;????????????//連接數(shù)據(jù)表的游標
????var $result;????//結(jié)果
????var $dsn;????????//dsn源
????var $user;????????//用戶名????
????var $pass;????????//密碼

????var $total;????????//記錄總數(shù)
????var $pages;????????//總頁數(shù)
????var $onepage;????//每頁條數(shù)
????var $page;????????//當前頁
????var $fre;????????//上一頁
????var $net;????????//下一頁
????var $i;????????????//控制每頁顯示

????function getConnect($dsn,$user,$pass){
????????$this->cn=@odbc_connect($dsn,$user,$pass);
????????if(!$this->cn){
????????????$error="連接數(shù)據(jù)庫出錯";
????????????$this->getMess($error);
????????}
????}

????function getDo($sql){//從表中查詢數(shù)據(jù)
????????$this->d=@odbc_do($this->cn,$sql);
????????if(!$this->d){
????????????$error="查詢時發(fā)生了小錯誤......";
????????????$this->getMess($error);
????????}
????????return $this->d;
????}

????function getTotal($sql){
????????$this->sql=$sql;
????????$dT=$this->getDo($this->sql);????????//求總數(shù)的游標
????????$this->total=odbc_result($dT,'total');//這里為何不能$this->d呢？
????????return $this->total;
????}

????function getList($sql,$onepage,$page){
????????$this->s=$sql;
????????$this->onepage=$onepage;
????????$this->page=$page;
????????$this->dList=$this->getDo($this->s);????//連接表的游標
????????$this->pages=ceil($this->total/$this->onepage);
????????if($this->pages==0)
????????????$this->pages++; //不能取到第0頁
????????if(!isset($this->page))
????????????$this->page=1;
????????$this->fre = $this->page-1;????????????????????//將顯示的頁數(shù)
????????$this->nxt = $this->page+1;
????????$this->nums=($this->page-1)*$this->onepage;
????????//if($this->nums!=0){
????????//????for($this->i=0;$this->igetNums();odbc_fetch_row($this->dd),$this->i++);//同上
????????//}
????????//$this->i=0;//為何這部分不能封裝？
????????return $this->dList;
????}

????function getFanye(){
????????$str="";
????????if($this->page!=1)
????????????$str.=" 首頁 fre."> 前頁 ";
????????????else
????????????????$str.="首頁 前頁";
????????if($this->pagepages)
????????????$str.="nxt."> 后頁 ";
????????????else
????????????????$str.=" 后頁 ";
????????if($this->page!=$this->pages)
????????????$str.="pages."> 尾頁 ";
????????????else
????????????????$str.=" 尾頁 ";

????????$str.="共".$this->pages."頁";
????????$str.="您正瀏覽第".$this->page."頁";
????????return $str;
????}

????function getNums(){
????????return $this->nums;
????}

????function getOnepage(){//每頁實際條數(shù)
????????return $this->onepage;
????}

????function getI(){
????????return $this->i;
????}

????function getPage(){
????????return $this->page;
????}

????function getMess($error){//定制消息
????????echo"

$error";
????????exit;
????}
}

$pg=new Pages();
$pg->getConnect("lei","sa","star");
$pg->getTotal("select count(*) as total from xs");????????????//連學生表求總數(shù)
$pg->getList("select xs_name from xs order by xs_id",8,$page);
if($pg->getNums()!=0){
????for($i=0;$igetNums();odbc_fetch_row($pg->dList),$i++);//同上
}
$i=0;
while(odbc_fetch_row($pg->dList)){
????$name=odbc_result($pg->dList,"xs_name");
????echo $name."
";
????if($i==$pg->getOnepage()){//跳出循環(huán)
????????break;
????}
????$i++;
}
echo$pg->getFanye();
?>